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Finding the Fourth Proportional to 169,201.86, 233,498.55 and 101,221.68

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Solution

The fourth proportional to 169,201.86, 233,498.55 and 101,221.68 is: 139,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,201.86 : 233,498.55 = 101,221.68 : x
  2. Step 2: Convert to fraction form
    169,201.86/233,498.55 = 101,221.68/x
  3. Step 3: Cross multiply
    169,201.86x = 233,498.55 × 101,221.68
  4. Step 4: Simplify right side
    169,201.86x = 23,635,115,508.56
  5. Step 5: Solve for x
    x = 23,635,115,508.56/169,201.86
  6. Step 6: Final answer
    x = 139,685.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.